EG Tests for Sad Tab View

ios/chrome/test/earl_grey/chrome_matchers.mm

Index: ios/chrome/test/earl_grey/chrome_matchers.mm
diff --git a/ios/chrome/test/earl_grey/chrome_matchers.mm b/ios/chrome/test/earl_grey/chrome_matchers.mm
index c9aa5e426c40446b9905a82ffd69db0894fba2db..3f34db1aaf735aa929d1a746ef054230a999d67c 100644
--- a/ios/chrome/test/earl_grey/chrome_matchers.mm
+++ b/ios/chrome/test/earl_grey/chrome_matchers.mm
@@ -222,4 +222,20 @@ id<GREYMatcher> SettingsMenuBackButton() {
                     grey_accessibilityTrait(UIAccessibilityTraitButton), nil);
 }
 
+id<GREYMatcher> ContainsText(NSString* text) {
+  MatchesBlock matches = ^BOOL(id element) {
+    return [[element text] containsString:text];
+  };
+  DescribeToBlock describe = ^void(id<GREYDescription> description) {
+    [description appendText:[NSString stringWithFormat:@"hasText('%@')", text]];
+  };
+  id<GREYMatcher> matcher =
+      [[GREYElementMatcherBlock alloc] initWithMatchesBlock:matches
+                                           descriptionBlock:describe];
+  return grey_allOf(grey_anyOf(grey_kindOfClass([UILabel class]),
+                               grey_kindOfClass([UITextField class]),
+                               grey_kindOfClass([UITextView class]), nil),
+                    matcher, nil);
+}
+
 }  // namespace chrome_test_util